What is .SHADER file extension?
.SHADER file extension is a known file type. This section tells you everything you need to know about this extension.
Shader properties file used by games developed with id Tech 3, the Quake III engine; contains definitions for map textures, such as image files, scale, motion, and lighting settings; referenced by other game components, such map loaders, to set appearance properties within the game.
SHADER files are stored in a plain-text format and can be viewed with a text editor. They often are located in the /scripts directory of a .PK3 game package file.
You can see a list of software programs below that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.